Description
Diameter: 12mm
Length: 20mm
Material: Steel
Finish: Red Rinsed Zinc
Head Style: Carriage
Thread Size: 1.75mm (Coarse)
Thread Length: Full
Hardness: Class 8.8
Style: Short Neck
Type: Carriage Bolt
Box of 66.
A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened.
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